Implement summary provider for Security.

Bug: 31002801
Test: make RunSettingsRoboTests

The Security summary is implemented to show the same summary as the
package verifier injected tile if one exists.

Change-Id: I0a2f163a801a7b07fd5363b302c451aca8d389b0
diff --git a/src/com/android/settings/SecuritySettings.java b/src/com/android/settings/SecuritySettings.java
index b092857..c7d38dd 100644
--- a/src/com/android/settings/SecuritySettings.java
+++ b/src/com/android/settings/SecuritySettings.java
@@ -25,6 +25,7 @@
 import android.content.ComponentName;
 import android.content.Context;
 import android.content.DialogInterface;
+import android.content.IContentProvider;
 import android.content.Intent;
 import android.content.pm.PackageManager;
 import android.content.pm.ResolveInfo;
@@ -38,6 +39,7 @@
 import android.provider.Settings;
 import android.security.KeyStore;
 import android.service.trust.TrustAgentService;
+import android.support.annotation.VisibleForTesting;
 import android.support.v14.preference.SwitchPreference;
 import android.support.v7.preference.Preference;
 import android.support.v7.preference.Preference.OnPreferenceChangeListener;
@@ -49,6 +51,7 @@
 import android.telephony.SubscriptionManager;
 import android.telephony.TelephonyManager;
 import android.text.TextUtils;
+import android.util.ArrayMap;
 import android.util.Log;
 
 import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
@@ -56,6 +59,7 @@
 import com.android.settings.TrustAgentUtils.TrustAgentComponentInfo;
 import com.android.settings.core.instrumentation.InstrumentedDialogFragment;
 import com.android.settings.dashboard.DashboardFeatureProvider;
+import com.android.settings.dashboard.SummaryLoader;
 import com.android.settings.fingerprint.FingerprintSettings;
 import com.android.settings.overlay.FeatureFactory;
 import com.android.settings.search.BaseSearchIndexProvider;
@@ -69,6 +73,7 @@
 import com.android.settingslib.drawer.CategoryKey;
 import com.android.settingslib.drawer.DashboardCategory;
 import com.android.settingslib.drawer.Tile;
+import com.android.settingslib.drawer.TileUtils;
 
 import java.util.ArrayList;
 import java.util.List;
@@ -120,6 +125,11 @@
     private static final String KEY_TRUST_AGENT = "trust_agent";
     private static final String KEY_SCREEN_PINNING = "screen_pinning_settings";
 
+    // Package verifier Settings
+    @VisibleForTesting(otherwise = VisibleForTesting.PRIVATE)
+    static final String KEY_PACKAGE_VERIFIER_STATE = "package_verifier_state";
+    private static final int PACKAGE_VERIFIER_STATE_ENABLED = 1;
+
     // These switch preferences need special handling since they're not all stored in Settings.
     private static final String SWITCH_PREFERENCE_KEYS[] = {
             KEY_SHOW_PASSWORD, KEY_TOGGLE_INSTALL_APPLICATIONS, KEY_UNIFICATION,
@@ -414,18 +424,20 @@
         Index.getInstance(getActivity())
                 .updateFromClassNameResource(SecuritySettings.class.getName(), true, true);
 
-        final List<Preference> tilePrefs = mDashboardFeatureProvider.getPreferencesForCategory(
-                getActivity(), getPrefContext(), CategoryKey.CATEGORY_SECURITY);
-        if (tilePrefs != null && !tilePrefs.isEmpty()) {
-            for (Preference preference : tilePrefs) {
-                root.addPreference(preference);
+        if (mDashboardFeatureProvider.isEnabled()) {
+            final List<Preference> tilePrefs = mDashboardFeatureProvider.getPreferencesForCategory(
+                    getActivity(), getPrefContext(), CategoryKey.CATEGORY_SECURITY);
+            if (tilePrefs != null && !tilePrefs.isEmpty()) {
+                for (Preference preference : tilePrefs) {
+                    root.addPreference(preference);
+                }
             }
-        }
 
-        // Update preference data with tile data. Security feature provider only updates the data
-        // if it actually needs to be changed.
-        mSecurityFeatureProvider.updatePreferences(getActivity(), root,
-                mDashboardFeatureProvider.getTilesForCategory(CategoryKey.CATEGORY_SECURITY));
+            // Update preference data with tile data. Security feature provider only updates the
+            // data if it actually needs to be changed.
+            mSecurityFeatureProvider.updatePreferences(getActivity(), root,
+                    mDashboardFeatureProvider.getTilesForCategory(CategoryKey.CATEGORY_SECURITY));
+        }
 
         for (int i = 0; i < SWITCH_PREFERENCE_KEYS.length; i++) {
             final Preference pref = findPreference(SWITCH_PREFERENCE_KEYS[i]);
@@ -1306,4 +1318,63 @@
         }
     }
 
+    static class SummaryProvider implements SummaryLoader.SummaryProvider {
+
+        private final Context mContext;
+        private final SummaryLoader mSummaryLoader;
+
+        public SummaryProvider(Context context, SummaryLoader summaryLoader) {
+            mContext = context;
+            mSummaryLoader = summaryLoader;
+        }
+
+        @Override
+        public void setListening(boolean listening) {
+            if (!listening) {
+                return;
+            }
+            int packageVerifierState = Settings.Secure.getInt(mContext.getContentResolver(),
+                    Settings.Secure.PACKAGE_VERIFIER_STATE, 0);
+            DashboardFeatureProvider dashboardFeatureProvider =
+                    FeatureFactory.getFactory(mContext).getDashboardFeatureProvider(mContext);
+            if (dashboardFeatureProvider.isEnabled()
+                    && (packageVerifierState == PACKAGE_VERIFIER_STATE_ENABLED)) {
+                DashboardCategory dashboardCategory =
+                        dashboardFeatureProvider.getTilesForCategory(CategoryKey.CATEGORY_SECURITY);
+                mSummaryLoader.setSummary(this, getPackageVerifierSummary(dashboardCategory));
+            } else {
+                mSummaryLoader.setSummary(this, null);
+            }
+        }
+
+        @VisibleForTesting(otherwise = VisibleForTesting.PRIVATE)
+        String getPackageVerifierSummary(DashboardCategory dashboardCategory) {
+            int tilesCount = (dashboardCategory != null) ? dashboardCategory.getTilesCount() : 0;
+            if (tilesCount == 0) {
+                return null;
+            }
+            for (int i = 0; i < tilesCount; i++) {
+                Tile tile = dashboardCategory.getTile(i);
+                if (!KEY_PACKAGE_VERIFIER_STATE.equals(tile.key)) {
+                    continue;
+                }
+                String summaryUri = tile.metaData.getString(
+                        TileUtils.META_DATA_PREFERENCE_SUMMARY_URI, null);
+                return TileUtils.getTextFromUri(mContext, summaryUri,
+                            new ArrayMap<String, IContentProvider>(),
+                            TileUtils.META_DATA_PREFERENCE_SUMMARY);
+            }
+            return null;
+        }
+    }
+
+    public static final SummaryLoader.SummaryProviderFactory SUMMARY_PROVIDER_FACTORY =
+            new SummaryLoader.SummaryProviderFactory() {
+        @Override
+        public SummaryLoader.SummaryProvider createSummaryProvider(Activity activity,
+                SummaryLoader summaryLoader) {
+            return new SummaryProvider(activity, summaryLoader);
+        }
+    };
+
 }
diff --git a/tests/robotests/src/com/android/settings/SecuritySettingsTest.java b/tests/robotests/src/com/android/settings/SecuritySettingsTest.java
new file mode 100644
index 0000000..af853dc
--- /dev/null
+++ b/tests/robotests/src/com/android/settings/SecuritySettingsTest.java
@@ -0,0 +1,156 @@
+/*
+ * Copyright (C) 2017 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.settings;
+
+import android.content.Context;
+import android.content.ContentResolver;
+import android.content.IContentProvider;
+import android.provider.Settings;
+import android.os.Bundle;
+
+import com.android.settings.SettingsRobolectricTestRunner;
+import com.android.settings.TestConfig;
+import com.android.settings.dashboard.SummaryLoader;
+import com.android.settings.testutils.FakeFeatureFactory;
+import com.android.settingslib.drawer.DashboardCategory;
+import com.android.settingslib.drawer.Tile;
+import com.android.settingslib.drawer.TileUtils;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Answers;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+import org.robolectric.annotation.Config;
+import org.robolectric.annotation.Implementation;
+import org.robolectric.annotation.Implements;
+
+import java.util.HashMap;
+import java.util.Map;
+
+import static com.google.common.truth.Truth.assertThat;
+import static org.mockito.Matchers.any;
+import static org.mockito.Matchers.isNull;
+import static org.mockito.Mockito.never;
+import static org.mockito.Mockito.times;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.verifyNoMoreInteractions;
+import static org.mockito.Mockito.when;
+
+@RunWith(SettingsRobolectricTestRunner.class)
+@Config(manifest = TestConfig.MANIFEST_PATH, sdk = TestConfig.SDK_VERSION)
+public class SecuritySettingsTest {
+
+    private static final String MOCK_SUMMARY = "summary";
+
+    @Mock(answer = Answers.RETURNS_DEEP_STUBS)
+    private Context mContext;
+    @Mock
+    private DashboardCategory mDashboardCategory;
+    @Mock
+    private SummaryLoader mSummaryLoader;
+
+    private SecuritySettings.SummaryProvider mSummaryProvider;
+
+    @Implements(Settings.Secure.class)
+    public static class ShadowSecureSettings {
+
+        private static final Map<String, Object> mValueMap = new HashMap<>();
+
+        @Implementation
+        public static boolean putInt(ContentResolver resolver, String name, int value) {
+            mValueMap.put(name, value);
+            return true;
+        }
+
+        @Implementation
+        public static int getInt(ContentResolver resolver, String name, int defaultValue) {
+            Integer value = (Integer) mValueMap.get(name);
+            return value == null ? defaultValue : value;
+        }
+    }
+
+    @Implements(com.android.settingslib.drawer.TileUtils.class)
+    public static class ShadowTileUtils {
+        @Implementation
+        public static String getTextFromUri(Context context, String uriString,
+                Map<String, IContentProvider> providerMap, String key) {
+            return MOCK_SUMMARY;
+        }
+    }
+
+    @Before
+    public void setUp() {
+        MockitoAnnotations.initMocks(this);
+        FakeFeatureFactory.setupForTest(mContext);
+        mSummaryProvider = new SecuritySettings.SummaryProvider(mContext, mSummaryLoader);
+    }
+
+    @Test
+    public void testSummaryProvider_notListening() {
+        mSummaryProvider.setListening(false);
+
+        verifyNoMoreInteractions(mSummaryLoader);
+    }
+
+    @Test
+    @Config(shadows = {
+            ShadowSecureSettings.class,
+    })
+    public void testSummaryProvider_packageVerifierDisabled() {
+        // Package verifier state is set to disabled.
+        ShadowSecureSettings.putInt(null, Settings.Secure.PACKAGE_VERIFIER_STATE, -1);
+        mSummaryProvider.setListening(true);
+
+        verify(mSummaryLoader, times(1)).setSummary(any(), isNull(String.class));
+    }
+
+    @Test
+    public void testGetPackageVerifierSummary_nullInput() {
+        assertThat(mSummaryProvider.getPackageVerifierSummary(null)).isNull();
+
+        when(mDashboardCategory.getTilesCount()).thenReturn(0);
+
+        assertThat(mSummaryProvider.getPackageVerifierSummary(mDashboardCategory)).isNull();
+    }
+
+    @Test
+    public void testGetPackageVerifierSummary_noMatchingTile() {
+        when(mDashboardCategory.getTilesCount()).thenReturn(1);
+        when(mDashboardCategory.getTile(0)).thenReturn(new Tile());
+
+        assertThat(mSummaryProvider.getPackageVerifierSummary(mDashboardCategory)).isNull();
+    }
+
+    @Test
+    @Config(shadows = {
+            ShadowTileUtils.class,
+    })
+    public void testGetPackageVerifierSummary_matchingTile() {
+        when(mDashboardCategory.getTilesCount()).thenReturn(1);
+        Tile tile = new Tile();
+        tile.key = SecuritySettings.KEY_PACKAGE_VERIFIER_STATE;
+        Bundle bundle = new Bundle();
+        bundle.putString(TileUtils.META_DATA_PREFERENCE_SUMMARY_URI, "content://host/path");
+        tile.metaData = bundle;
+        when(mDashboardCategory.getTile(0)).thenReturn(tile);
+
+        assertThat(mSummaryProvider.getPackageVerifierSummary(mDashboardCategory))
+                .isEqualTo(MOCK_SUMMARY);
+    }
+}